Basic machine, Engine, Travel drive / control – Liebherr LR 614 Litronic User Manual

Page 2: Track frame, Operator’s cab, Hydraulic equipment, Loader cycle times, Noise emission

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LR 614 Litronic

Basic machine

Engine

John Deere

4045HF289

Diesel engine

emission regulations according to 97/68/EC,
2004/26/EC Stage IIIA and EPA/CARB Tier 3

Net power (ISO 9249)

72 kW / 98 HP

Net power (SAE J1349) 72 kW / 97 HP
Engine rating

2,200 rpm

Displacement

4,5 l / 275 in³

Bore/stroke

106 mm / 127 mm (4.17 in / 5.00 in)

Design

low emission water-cooled 4 cylinders in-
line, 2 valve cylinder head, turbo charger, air-
to-air after cooler, electronic engine control,
steel pistons, 2 countershafts, cold starting
aid automatically with heat flange

Fuel system

Common Rail direct injection system

Lubrication

pressurized lube system, engine lubrication
guaranteed for intermittent inclination up to
35°, 30° in duration

Operating voltage

24 V

Alternator

55 A, Heavy-Duty version

Starter

7.0 kW

Battery

2 x 100 Ah / 12 V

Air cleaner

dry-type air cleaner with air-restriction indica-
tor, main and safety elements, air intake with
rain cap

Cooling system

combination cooler with three cooling units
for cooling water, intake charge air and
hydraulic oil

Cooling fan

hydrostatically driven, thermostatically
controlled

Travel drive / control

Drive system

closed-loop infinitely variable hydrostatic
travel drive powered by two axial piston
variable displacement pumps and two axial
piston 2 positions-displacement motors in
swash-plate design, each track is driven
indepedently from each other

Travel speed

infinitely variable electronic-controlled travel
speed
Speed range 1: 0–6.1 km/h / 0–3.6 mph (work)
Speed range 2: 0–9.5 km/h / 0–5.9 mph (travel)

Litronic-System

electronic engine speed sensing control
(load-sensing feature) automatically adjusts
travel speed and drawbar pull to match
changing load conditions

Steering

hydrostatic, unlimited maneuverability for full
power turns and counterrotation

Service brake

hydrostatic, dynamic braking effect from
travel drive system

Parking/

multi-disc brake, wear-free, automatically

emergency brake

applied with neutral joystick position

Cooling system

hydraulic oil single unit built in combination
cooler

Filter system

micro cartridge filters in cooling circuit

Final drive

3 phase heavy duty spur gear

Control

single-lever travel control for all travel and
steering motions, as well as for counterrotation

Track frame

Chains

sealed and lubricated, track chain tension via
grease tensioner and hydraulic cylinder

Chain links

38 each side

Sprocket

screwed drive wheel

Track rollers

6 each side

Carrier roller

1 each side

Track shoes standard

457 mm / 18”, double grouser

Track shoes optional

508 mm / 20”, double grouser

Grouser height

42.5 mm / 1.67 in

Mount

inelastic track roller frame

Operator’s cab

Heater and

pressurized, with fresh air intake and recircu-

air conditioner

lation air filter, 8 louvered vents for all temper-
ature controlled cab’s areas

ROPS/FOPS cab

integral Rollover Protective Structure accord-
ing to EN ISO 3471 and Falling Objects Pro-
tective Structure according to EN ISO 3449

Operator’s seat

adjustable, suspended seat adjustable to
operator’s weight, fabric seat cover

Monitoring System

combination of analog and digital instrument
panel: LC-Display with scroll key for fuel con-
sumption, battery voltage, service codes; auto-
matic monitoring from operating pressures,
temperatures and fill levels; hour meter gauge

Tilting system

40° tiltable to the rear with hydraulic hand pump

Hydraulic equipment

Hydraulic system

open-center load sensing

Pump type

gear type pump

Pump flow max.

115 l/min / 30.4 US gpm

Pressure limitation

230 bar / 3,335 psi

Filter system

return filter

Control

single-lever implement control for all bucket
functions, with magnetic detent functions for
float position as well as for automatic bucket
positioner

Loader cycle times

Lifting

6.4 s

Bucket dumping

1.9 s

Lowering

1

3.1 s

Total cycle time²

8.5 s

1

Float position and empty bucket,

2

Lifting and dumping together

Noise emission

Operator sound exposure L

pA

= 80 dB(A)

(ISO 6396)

(emission at the operator’s position)

Exterior sound pressure L

wA

= 107 dB(A)

(2000/14/EC)

(emission in the environment)

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